Home » Advanced Botany » Sexual Reproduction in Flowering Plants » Question
  1. An organic substance that can withstand environmental extremes and cannot be degraded by any enzyme is:
    1. Cuticle
    2. Sporopollenin
    3. Lignin
    4. Cellulose
Correct Option: B

Sporopollenin is fatty substance present in pollen wall and provides resistance against extremes conditions like high temperature, acid, bases.



Your comments will be displayed only after manual approval.